Pyr"o*chlore (?), n. [Pyro- + Gr. pale green.] Min.

A niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and resinous luster; -- so called from its becoming grass-green on being subjected to heat under the blowpipe.

 

© Webster 1913.

Log in or registerto write something here or to contact authors.